Pocket Watch Database


From the American Horology Archive:
Waltham Grade No. 25 Pocket Watch

American Waltham Watch Co.

Grade: No. 25

Private Label(s) in Run:

Special Railroad King

What is a Private Label?
Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 4546758 Question Mark
Grade: No. 25 Question Mark
Model: 1883 Question Mark
Estimated Production Date: December 1890 - February 1894 Question Mark
Run Quantity: 500 Question Mark
Grade/Model Run: 79 of 89 Question Mark
Grade/Model Total Production: 65,100 Question Mark
Size: 18s Question Mark
Jewels: 15j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: Full Plate Question Mark
Regulator: Patent Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Adjusted # of Positions: 3 Question Mark
Adjusted to Temperature: Yes Question Mark
Adjusted to Isochronism: Yes Question Mark
Case: Various Question Mark
Run ID: 13657.G81.18S9150.181883M1057.O9304.P694.15J3208 Question Mark
Data Research: c.1900 Waltham Factory Ledger Book 2 [NAWCC]
1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.431 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
101.16 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
92.05 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.101% Question Mark
Registry Population:
Scoped for This Run Only
5 (1.00%) Question Mark
$ Estimated Value (12 Month Change): -5.97% Analyzing 289 Sales Question Mark
Research Note: Waltham Serial Ledgers designate this run as Grade "#25." However, #4546724 and #4546807 have been reported as marked "P.S. Bartlett." The following run [4547001-4548000] is listed as "P.S.B." (Hunting, Lever-Set). #4546569: Verified as Private Label Marked "Special Railroad King.", In 1894, Waltham added 2 center jewels to the remaining inventory, modifying the movements from 15j to 17j. All 17j movements are marked as such.

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Verification Reports for this Run

The following reports have been graciously submitted by dedicated members in reference to this production run. These reports are useful to verify data and track inaccuracies that require further research. Please note that reports may contain inaccurate information or assumptions that must be dilligently considered with other available sources.


Anonymous · December 29, 2022

Serial Number 4546569 was reported as inaccurate.

Note: Marked Railroad King Special. Appears 15 jewel.
Adjusted. Open face Pendant set.
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Anonymous · June 20, 2018

Serial Number 4546807 was reported as inaccurate.

Note: Watch is marked P.S. Bartlett
Curator Response: Thanks for the report. Is your watch lever-set or pendant-set? Is it hunting or openface?

Anonymous · November 25, 2013

Serial Number 4546724 was reported as inaccurate.

Note: I am looking at a watch with this serial no. it is
engraved PS Bartlett
Waltham Grade No. 25 Pocket Watch